Home / 57,378.90-86,068.43-17,936.22

Finding the Fourth Proportional to 57,378.90, 86,068.43 and 17,936.22

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Solution

The fourth proportional to 57,378.90, 86,068.43 and 17,936.22 is: 26,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.90 : 86,068.43 = 17,936.22 : x
  2. Step 2: Convert to fraction form
    57,378.90/86,068.43 = 17,936.22/x
  3. Step 3: Cross multiply
    57,378.90x = 86,068.43 × 17,936.22
  4. Step 4: Simplify right side
    57,378.90x = 1,543,742,205.85
  5. Step 5: Solve for x
    x = 1,543,742,205.85/57,378.90
  6. Step 6: Final answer
    x = 26,904.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.